Augelite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern R050060.
      Araki T, Finney J J, Zoltai T
      American Mineralogist 53 (1968) 1096-1103
      The crystal structure of augelite

      CELL PARAMETERS:   13.12881   8.002460   5.077742   90.00000   112.2623   90.00000
      SPACE GROUP: C2/m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.87         30.97        4.6992    0   0   1
                18.98         39.78        4.6707   -2   0   1
                20.70          7.95        4.2874   -1   1   1
                22.20         32.37        4.0012    0   2   0
                24.62          8.11        3.6136    3   1   0
                25.32        100.00        3.5149    1   1   1
                25.49         48.69        3.4910   -3   1   1
                26.65         98.28        3.3416    2   2   0
                28.28         22.55        3.1531   -4   0   1
                29.29          8.18        3.0465    0   2   1
                29.38          5.18        3.0375    4   0   0
                34.39          2.54        2.6054    1   3   0
                35.32          8.08        2.5388   -2   0   2
                36.05         21.06        2.4893    2   2   1
                36.08          6.44        2.4870    3   1   1
                36.24          1.24        2.4765   -4   2   1
                36.34          4.11        2.4701   -5   1   1
                37.82          6.64        2.3770   -1   1   2
                38.27          2.21        2.3496    0   0   2
                38.52          3.65        2.3354   -4   0   2
                40.91          2.81        2.2040    1   3   1
                43.69          5.36        2.0699   -5   1   2
                45.29         10.65        2.0006    0   4   0
                46.38          6.06        1.9562    2   0   2
                46.79         25.35        1.9398   -6   0   2
                47.37          9.50        1.9175   -6   2   1
                47.83          6.45        1.9002    2   4   0
                48.71         37.99        1.8679    3   3   1
                48.91          4.97        1.8608   -5   3   1
                49.90          1.87        1.8260   -7   1   1
                50.18          1.87        1.8166   -3   3   2
                53.15          3.41        1.7217    3   1   2
                54.64          5.37        1.6784    1   3   2
                57.52          2.75        1.6010   -1   1   3
                57.79         11.24        1.5942   -5   1   3
                58.08          2.02        1.5868    1   5   0
                58.91          2.86        1.5664    0   0   3
                59.31          2.00        1.5569   -6   0   3
                59.70          2.41        1.5477   -2   2   3
                59.83          2.28        1.5446   -4   2   3
                60.27          1.66        1.5342   -7   3   1
                60.61          1.48        1.5265   -1   5   1
                61.07          4.17        1.5160   -8   2   1
                62.33          1.13        1.4885    3   5   0
                62.66          9.27        1.4813    1   5   1
                62.75          1.20        1.4795   -3   5   1
                62.85          5.20        1.4774    4   2   2
                63.16          9.50        1.4708    3   3   2
                63.36          9.92        1.4668   -8   2   2
                63.59          2.25        1.4621   -7   3   2
                63.75          1.59        1.4586    0   2   3
                63.94          6.92        1.4549    7   3   0
                65.27          1.44        1.4284   -9   1   1
                65.23          2.91        1.4291   -3   3   3
                65.54          2.06        1.4232    6   4   0
                65.71          1.73        1.4199    8   2   0
                65.92          3.77        1.4159    5   1   2
                67.16          1.68        1.3927   -6   4   2
                67.12          1.31        1.3934   -1   3   3
                68.85          2.43        1.3625   -5   5   1
                69.80          1.06        1.3463   -1   5   2
                70.55          7.27        1.3337    0   6   0
                71.60          4.25        1.3168    2   2   3
                72.55          1.03        1.3019  -10   0   1
                73.36          3.56        1.2896   -7   3   3
                73.84          2.14        1.2823   -5   5   2
                74.33          8.96        1.2751   -9   3   1
                74.72          3.30        1.2694   -4   0   4
                74.94          2.13        1.2662    5   3   2
                76.21          1.14        1.2482   -3   1   4
                76.60          2.75        1.2428    8   2   1
                76.93          2.56        1.2383   -8   4   2
                77.30          1.55        1.2333    0   4   3
                78.50          1.31        1.2174   -7   5   1
                79.51          1.09        1.2045    9   3   0
                80.80          2.91        1.1885   -2   2   4
                81.10          1.29        1.1848   -6   2   4
                81.44          1.43        1.1807   -2   6   2
                82.63          1.24        1.1668  -11   1   1
                84.65          1.26        1.1440    2   4   3
                84.83          2.68        1.1420   -3   3   4
                84.93          4.63        1.1409   -5   5   3
                88.99          3.16        1.0990   -6   6   2
                89.24          1.92        1.0966   -3   7   1
                89.49          1.46        1.0942   11   1   0
                89.49          1.46        1.0942   11   1   0
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.